The hard bumps on your feet that look like calluses may be related to calluses, plantar warts, and corns. 1. Callus is a kind of hyperplasia formed due to long time friction and extrusion of the skin, due to the absence of blood vessels and nerves, so there will be no pain when touching or extruding. 2. metatarsal warts are a disease caused by infection with the human papilloma virus, which can be transmitted through their own small traumas, and are mainly manifested in the clinic as slightly protruding from the skin surface of the pimples or plaques, with black hemorrhagic spots visible in the center. 3. Chicken eye is due to the local skin for a long time force extrusion and friction and the formation of a kind of inverted cone-shaped keratin embolism, press the center part of the keratin can have obvious pain. Due to the individual differences in clinical manifestations, it is recommended to consult a doctor to clarify the cause of the disease.